Personal Data

Occupations: Assoc. Prof., Ph.D.
Office Address: Laboratory of "Nuclear energy and nuclear safety",
Institute of Nuclear Research and Nuclear Energy,
Bulgarian Academy of Sciences,
72 Tzarigradsko Shaussee,
1784 Sofia, Bulgaria
Office Phone: (+359) 2 97-95-565
Office Fax: (+359) 2
E-mail: Този имейл адрес е защитен от спам ботове. Трябва да имате пусната JavaScript поддръжка, за да го видите.
Birth Date: 19.04.1961
Birth Place: Karadzalovo
Citizenship: Bulgarian
Marital Status: married

Professional Data

Education

Ph. D. Nuclear Engineering, Moscow Power Technical University (from 1991 to 1995)

M.Sc. Nuclear Engineering, Moscow Power Technical University (from September,1981 to February, 1987)

See CV

Experience

2011 –until now: Assoc. Professor, Head of a Laboratory “Nuclear energy and nuclear safety” in Institute for Nuclear Research and Nuclear Energy – Bulgarian Academy of Sciences

2004-2010:  Assoc. Professor, Head of a Laboratory “Nuclear energy and nuclear safety” and Deputy Director of INRNE-BAS

1997-2004: Researcher I degree, Head of group “NPP Safety  analysis” in Institute for Nuclear Research and Nuclear Energy – Bulgarian Academy of Sciences

1995-1996: Specialization in BNL (USA)

1990-1995: Researcher, 3 degree in Institute for Nuclear Research and Nuclear Energy – Bulgarian Academy of Sciences

1987-1990: Engineer in Institute for Nuclear Research and Nuclear Energy – Bulgarian Academy of Sciences

Projects

2004 -2008: Co-ordination Action project - "VVER Safety Research" in the 6-th framework programme of EC; Client: EC

2003 - 2005: PSA Level 2 for Units 5&6 at KNPP; Client: Risk Engineering / KNPP
2004-2008: SARNET; Client:EC
2009 - 2013: SARNET 2; Client:EC

2009: Assistance to the BNRA in establishing regulatory requirements on the basis of assessment of the Periodical Safety Review documents of KNPP units 5 and 6; Client: BNRA

 

2005-2006: Severe Accident Management Guidelines (SAMGs) review and assessment in compliance with international requirements – PHARE Project; Client: PHARE program of EC

 

2007-2008: Assistance to the BNRA in establishing of the regulatory requirements on the base of assessment of the Probabilistic Safety Assessment Reports of Kozloduy NPP units 5 and 6; Client: PHARE program of EC

 

 

Lecture courses

Since 2002 giving lectures on “Thermal physics in nuclear power plant” at the Department of Nuclear Engineering in the Faculty of Physics of Sofia University “St. Kliment Ohridski”.

Membership in scientific organization

Bulgarian Nuclear Society

Balkan Academy of Sciences

Advisory Council on Nuclear Safety-Nuclear Regulatory Agency

Languages

English, Russian

Scientific Works

Thesis

Ph.D.: 1995, Moscow Power Technical University, "Investigation of two phase flow in case of transient and accident conditions for VVER reactors"

Papers

 Списания:

1. M. Andreeva , M.P. Pavlova, P.P. Groudev , Investigation of critical safety function ‘‘Heat sink’’ at low power and cold condition for Kozloduy Nuclear Power Plant WWER-1000/V320 , Annals of Nuclear Energy 40 (2012) 221–228.

2. B. Chatterjee, D. Mukhopadhyay, H.G. Lele, B. Atanasova, Pavlin Groudev , Severe accident management strategy verification for VVER-1000 (V320) reactor, Published in Journal “Nuclear Engineering and Design”, 2011, Vol. 241, pages 3977– 3984, Elsevier Ltd.

3. P. Groudev, A. Stefanova, M. Manolov, Investigation of primary to secondary leakage at low power during ‘‘Hydro-test” for VVER440/V230 at Kozloduy NPP, Published in Journal “Annals of Nuclear Energy”, 2011, Vol. 38, pages 474 - 488, Elsevier Ltd.

4. Groudev P.P., Georgieva E.L, Loss of 'Core cooling' at low power and cold condition of VVER-1000/V320, Published in Journal “Progress in Nuclear Energy”, 52 (2010), pages 229–235.

5. Chatterjee B. , Mukhopadhyay D., Lele H.G., Ghosh A.K., Kushwaha H.S., Groudev P., Atanasova B., Analyses for VVER-1000/320 reactor for spectrum of break sizes along with SBO, Published in Journal “Annals of Nuclear Energy”, 2010), 37(3), pages 359–370, Elsevier Ltd.

6. Bozhana Marinova, Pavlin Groudev and Valentin Papazov, Probabilistic safety analyses developments resurgence in Bulgaria—Kozloduy nuclear power plant example, Published in Journal “Nuclear Engineering and Design”, (2010), 240(4), pages 880 – 885, Elsevier Ltd.

7. A. E. Stefanova, P. P. Groudev and B. P. Atanasova, Assessment of Passive Autocatalytic Recombiners capabilities in case of Zr oxidation during station blackout scenario for TVSA and TVSM fuel assemblies of WWER 1000, Published in Journal “Progress in Nuclear Energy” 51 (2009), pages 582–588.

8. B. Chatterjee, D. Mukhopadhyay, H. G. Lele and A. K. Ghosh, H.S. Koshwaha, Pavlin Groudev , B. Atanasova, Effect of Steam Environment on Severe Core Damage Behaviour for VVER-1000 with Code ASTEC V1.2, Published in journal “Nuclear Engineering Design”,  239 (2009) 559–565

9. A.E. Stefanova, P.P. Groudev, B.P.Atanasova, Comparison of hydrogen generation for TVSM and TVSA fuel assemblies for water water energy reactor (VVER)-1000, Published in Journal “Nuclear Engineering and Design” (2009), 239 (1),  pp. 180-186, Elsevier Ltd.

10. Alexei Miassoedov, Hans Alsmeyer, Leonhard Meyer, Martin Steinbrueck, Pavlin Groudev, Ivan Ivanov, Gert Sdouz, Results of the QUENCH-L2, DISCO-L2, and COMET-L2 Experiments Performed Within the LACOMERA Project at the Forschungszentrum Karlsruhe, Published in Journal “Nuclear Engineering and Design”, 2008, 238 (8), pp. 2017-2026, Elsevier Ltd. Presented at 13th International Conference on Nuclear Engineering, Beijing, China, May 16-20.

11. Andreeva M, Groudev P ., Pavlova M., Overview of plant specific Severe Accident Management strategies for Kozloduy NPP, WWER-1000/320, Published in Journal “Annals of Nuclear Energy”, Elsevier, Volume 35, Issue 4, April 2008, Pages 555-564, Elsevier Ltd.

12. M.P. Pavlova, P.P. Groudev and Vassil Hadjiev, Systematic Approach for the Analytical Validation of Kozloduy NPP, VVER-1000/V320 Symptom Based Emergency Operating Procedures", Published in Journal “Progress in Nuclear Energy”,  Volume 50, Issue 1, January 2008, Pages 27-32, Elsevier Ltd.

13. Pavlin GROUDEV , Malinka PAVLOVA, Sensitivity Calculations of PRZ water level during the Natural Circulation test at Unit 6 of Kozloduy NPP, Published in Journal “Progress in Nuclear Energy” (PNE), Volume 49, Issue 2 , March 2007, Pages 130-141, Elsevier Ltd

14. M.P. Pavlova, M. Andreeva and P.P. Groudev , RELAP5/MOD3.2 blackout investigation for validation of EOPs for KNPP VVER-1000/V320, Published in Journal “Progress in Nuclear Energy” (PNE), Volume 49, Issue 5, July 2007, Pages 409-427, Elsevier Ltd.  

15. Antoaneta Stefanova & Pavlin Groudev, “Comparisons of VVER-1000 coolant transient benchmark phase 1 at different power”, Publishing in “Progress in Nuclear Energy” (2006), 48 (8), pp. 790-805,  Elsevier Ltd.

16. PAVLIN GROUDEV & ANTOANETA STEFANOVA, Validation of RELAP5/MOD3.2 model on Trip off one MCP for VVER440, Published in Journal “Nuclear Engineering and Design”, Volume 236 (2006), pages 1275-1281, Elsevier Ltd

17. Pavlova M.P., Stefanova A.E., Gencheva R.V., Groudev P.P. , RELAP5/MOD3.2 Sensitivity Calculations of Loss of Feed Water (LOFW) transient at Unit 6 of KNPP, Published in Journal “Nuclear Engineering and Design” (2006), Volume 236, Issue 3, pp. 322-331, Elsevier Ltd.

18. Pavlin P. Groudev and Antoaneta E. Stefanova, "Validation of RELAP5/MOD3.2 model of VVER 440 on Reactor SCRAM transient", Published in Journal “Progress in Nuclear Energy” (PNE), Vol. 48, Issue 2, March 2006, pages 146-154.

19. Boyan D. Ivanov, Kostadin N. Ivanov, Eric Royer, Sylvie Aniel, Ulrich Bieder, Nikola Kolev, Pavlin Groudev , "OECD/DOE/CEA VVER-1000 COOLANT TRANSIENT (V1000CT) BENCHMARK – A CONSISTENT APPROACH FOR ASSESSING COUPLED CODES FOR RIA ANALYSIS", Published in Journal “Progress in Nuclear Energy” (PNE), 48 (2006), pp. 728-745, Elsevier Ltd.

20. Groudev P.P., A.E. Stefanova, R.V. Gencheva, M.P. Pavlova, PSB-VVER Simulation of Kozloduy NPP “Loss Of Feed Water Transient”, Published in Journal “Nuclear Engineering and Design”, Volume 235, Issue 8, April 2005, Pages 925-936, Elsevier Ltd.

21. R. Gencheva, A. Stefanova, P. Groudev, "Relap5/Mod3.2 Investigation of reactor vessel YR line capabilities for primary side depressurization during the Total Loss of Feed Water (TLFW)" in VVER 1000/V230, published in the “Annals of Nuclear Energy (ANE)”, Volume 32, Issue 12, August 2005, Pages 1407-1434, Elsevier Ltd.

22. Pavlin P. Groudev and Antoaneta E. Stefanova, “RELAP5/MOD3.2 investigation of a VVER1000 МCP switching on Benchmark Problem”, Published in Journal “Annals of Nuclear Energy”, Volume 32, Issue 4, March 2005, pages 399-416, published by Elsevier Ltd.

23. P. GROUDEV and A. STEFANOVA, “Control Rod assembly to the fully inserted position”, Published in Journal “Annals of Nuclear Energy”, Volume 32, Issue 16, November 2005, Pages 1786-1797,  Elsevier Ltd

24. Pavlin P. Groudev , Rositsa V Gencheva, Antoaneta E. Stefanova and Malinka P. Pavlova, RELAP5/MOD3.2 investigation of primary-to-secondary reactor coolant leakage in VVER440, Published in Journal Annals of Nuclear Energy (ANE), Vol. 31 (2004), pages 961-974, January 2004, Elsevier Ltd.

25. Pavlin GROUDEV , Malinka PAVLOVA, Simulation Of Loss-Of-Flow Transient In a VVER-1000 Nuclear Power Plant With RELAP5/MOD3.2, Published in Journal “Progress in Nuclear Energy” (PNE), Vol. 45, №. 1, pp. 1-10, 2004, Elsevier Ltd.

26. Pavlin P. Groudev & Rositsa V. Gencheva, RELAP5/MOD3.2 Investigation of main loop isolating valves in case of SGTR in VVER440/V230, Published in Journal Annals of Nuclear Energy (ANE), Vol. 31 (2004), pp 1583-1613, June 2004, Elsevier Ltd

 

 

Български списания:

 27. Р. Генчева, A. Стефанова, П. Грудев , Дефиниране на експерименти VB-U5 и  VB-U6  за изследване взаймодействието на разтопеното ядрено гориво с бетона на реакторната шахта, Научно-Техническо списание, Доклади на БЯД, Том 15, Брой 1, стр. 32-39, 2011 г.,

28. Павлин Грудев , Ядрената авария в АЕЦ Фукушима и въпросите които тя поставя, Научно-Техническо списание, Доклади на БЯД, Том 15, Брой 1, стр. 2-5, 2011 г.,

29. Антоанета Стефанова, Боряна Атанасова, Емилия Георгиева и Павлин Грудев , ИЗСЛЕДВАНЕ НА ВЪТРЕШНО-КОРПУСНАТА ФАЗА  НА ТЕЖКА АВАРИЯ  “ЗАГУБА НА ЕЛ. ЗАХРАНВАНЕ“  НА РЕАКТОР ТИП ВВЕР-1000/В320  С ПОМОЩТА НА ИНТЕГРАЛЕН КОМПЮТЪРЕН КОД ASTEC V 1.3R2, Научно-Техническо списание, Доклади на БЯД, Том 14, Брой 1, стр. 49-53, 2010 г.,

30. Chatterjee B. , Mukhopadhyay D. , Lele H.G. , Ghosh, A.K., Groudev P., Atanasova  B.,  INFLUENCE OF STEAM GENERATOR INVENTORY ON SEVERE CORE DAMAGE BEHAVIOUR DURING SBO FOR VVER 1000 REACTOR, Publishing in Science and Technology Journal of the Bulgarian Nuclear Society, Vol. 14, No 1, стр. 7-13, 2010.

31. B. Atanasova , A. Stefanova, P. Groudev, Comparison of ASTEC 1.3 & ASTEC1.3 R2 Calculations in Case of SBO for VVER – 1000 Reactor, Publishing in Science and Technology Journal of the Bulgarian Nuclear Society, Vol. 13, No 2, pp 14- 18, 2009.

32. Георгиева Е., Павлова М., Андреева М., Грудев П. , Изследване на КФБ «Охлаждане на активната зона» при изтичане на топлоносител от първи контур с Ду 100 мм и с Д 250 мм за разхернетизрано състояние на ВВЕР 1000, Научно-Техническо списание, Доклади на БЯД, Том 13, Брой 2, Септември 2009 г., стр 19 - 24.

33. A. STEFANOVA & P. GROUDEV , Evaluation of QUENCH 12 Test with ASTEC Computer Code. Научно-Техническо списание, Доклади на БЯД, Том 13, Брой 2, Септември 2009 г., стр. 29 - 33.

34. Павлова М., Андреева М., Грудев П. , Изследване на авария “Скъсване на тръбичка на ПГ “ за целите на СОАИ за блокове 5 &6 на АЕЦ Козлодуй, Научно-Техническо списание, Доклади на БЯД, Том 13, Брой 2, Септември 2009 г., стр. 34 - 41.

35. Андреева М., Павлова М., Грудев П. , Изследване на авария със загуба на топлоносител за целите на аналитичната валидация на СОАИ за блокове 5 &6 на АЕЦ Козлодуй, Научно-Техническо списание, Доклади на БЯД, Том 13, Брой 2, Септември 2009 г., стр. 42 - 47.

36. Грудев П. , Йорданов Й., Антонов Н., Термогидравлический расчет АСТ - 500 при разрыве горячего магистрального трубопровода сети без срабатывания аварийной защиты, сп. " Ядрена енергетика", кн. 31.

37. ANTOANETA STEFANOVA & PAVLIN GROUDEV, Validation of a RELAP5/MOD3.2 computer model on Actuation of ARPC for VVER440/V230, Published in Science and Technology Journal of the Bulgarian Nuclear Society, Vol. 11, No 1, pp 3-8, 2007. , ISSN 1310-8727 

38. A. Stefanova, P. Groudev, Comparison of ASTEC and MELCOR for Boil-off test at Quench facility, Published in Science and Technology Journal of the Bulgarian Nuclear Society, Vol. 12, No 1 pp 16-20 October 2008. , ISSN 1310-8727

39. B. Atanasova & P. Groudev, Severe Accident Phenomena Related to Release of FP, Aerosol transport and Behavior in Case of SGTR, Published in Science and Technology Journal of the Bulgarian Nuclear Society, Vol. 12, No 1 pp 21-27, October 2008. , ISSN 1310-8727

40. Емилия Л. Георгиева, Павлин П. Грудев , Анализ на малка теч с Id=60 mm за Реактор Тип ВВЕР-1000 с Помощта на Интегрален Компютърен Код ASTEC  V1.3 , Публикувана в Научно-техническото списание на БЯД, том 12, брой 1, стр. 27-33, Октомври 2008. , ISSN 1310-8727

41. Marina Andreeva, Stoyan Stoyanov, Pavlin Grudev, Malinka Pavlova, Modern licensing approaches for analysis of important to safety processes, Presented on the BNS International Conference, 14-17 November 2007, Plovdiv , Published in Science and Technology Journal of the Bulgarian Nuclear Society, Vol. 12, No 1 pp 42-47 October 2008. , ISSN 1310-8727 

42. P. Groudev , A. Stefanova, B. Atanasova, MELCOR 1.8.5 Sensitivity calculation for hydrogen generation at Quench 11 test, , Presented on the BNS International Conference, 14-17 November 2007, Plovdiv, Published in Science and Technology Journal of the Bulgarian Nuclear Society, Vol. 12, No 1 pp 48-53 October 2008.

43. R. V. Gencheva, A. E. Stefanova, P. P. Groudev, M. P.Pavlova, Investigation of Starting Conditions for Primary Bleed and Feed in Case of SBLOCA-60 for Kozloduy NPP, Presented on the BNS International Conference, 23-26 September 2004, Sofia, Published in Science and Technology Journal of the Bulgarian Nuclear Society, June 2005. Vol. 10, No 1 pp 46-51. , ISSN 1310-8727

44. A. E. Stefanova, and P. P. Groudev, Pre-Test calculation of Boil-off test at Quench facility, Published in Science and Technology Journal of the Bulgarian Nuclear Society, June 2005. Vol. 10, No 1 pp 42-45. , ISSN 1310-8727

45. Antoaneta Stefanova & Pavlin Groudev, MELCOR 1.8.5 Investigation of small Break LOCA at VVER 1000, Published in Science and Technology Journal of the Bulgarian Nuclear Society, June 2005. Vol. 10, No 1 pp 38-41, ISSN 1310-8727 

46. A. Stefanova, P. Groudev, P. Vassilev, М. Манолов, Primary to Secondary Leakage at Low Power for VVER 440/V230, Published in Science and Technology Journal of the Bulgarian Nuclear Society, Vol. 10, No 2, pp 90-99, 2005

47. A. Stefanova, P. Groudev, St. Kaltchev, М. Манолов, Small Break LOCA at Low Power and Unsealed Reactor Vessel for VVER 440/V230, Publishing in Science and Technology Journal of the Bulgarian Nuclear Society, Vol. 10, No 2, pp 318- 325,2005.,  ISSN 1310-8727 

48. Malinka Pavlova, Pavlin Grudev, Vassil Hadjiev, Development and validation of VVER-1000 input deck for severe accident calculations with MELCOR Computer Code, Proceedings of International Nuclear Physics Conference, Varna, September, 2003, Published in Science and Technology Journal of the Bulgarian Nuclear Society, March 2004. Vol. 9, No 1 pp 269-275. , ISSN 1310-8727

49. Groudev P ., Gencheva R., Stefanova A., RELAP5/MOD 3.2 Investigation of a VVER440 Steam Generator Header Cover Lifting, Science and Technology Journal of the Bulgarian Nuclear Society, 2003., Vol. 8, No 1 pp 30-35, ISSN 1310-8727

50. Павлин П. Грудев , Малинка П. Павлова, Васил Г. Хаджиев, Системен подход за аналитичното валидиране на Симптомно Ориентираните Аварийни Инструкции за блокове 5&6 на АЕЦ “Козлодуй”, Списанието на БЯД, Том 8, брой 1, 2003, стр. 3-8

51. M. Pavlova, R. Gencheva, P. Groudev , VALIDATION OF A RELAP5 COMPUTER MODEL FOR A VVER440/230V /SHUT DOWN OF TWO REACTOR COOLANT PUMPS/, Science and Technology Journal of the Bulgarian Nuclear Society, ISSN 1310-8727, Vol. 8, No 1, 2003, pp 36- 42.

52. Pavlova M., Gencheva R., Groudev P., VALIDATION OF A RELAP5 COMPUTER MODEL FOR A VVER440/230V, Science and Technology Journal of the Bulgarian Nuclear Society, ISSN 1310-8727, Vol. 6, No 1, 2001, pp. 9 – 12.

53. Kичев E., Грудев П. и др. , Симулатори, разработвани за АЕЦ "Козлодуй", Научно-Техническо списание, Доклади на БЯД, Том 3, Брой 1, Май 1998г., стр 54 - 59.

 

 

Рецензирани доклади oт международни конференции и просидинги:

 54. Groudev P., Pavlova M., The Tenth International Conference Of Nuclear Engineering - ICONE 10, “RELAP5/MOD3.2 Investigation of a VVER 1000 MCP Switching on Problem “, Proceeding of ICONE 10, Volume 2, 2002, Pages 287-294, April 14-18, 2002, Arlington, Virginia, USA.

55. Petkov G., Groudev P ., Correlation Between Human and Material Shocks In Symptom-Based Emergency Procedures, ASME/JSME PVP Conference, Boston, USA, August,1-5, 1999, Vol. 392, pp. 25-35. Proceedings of ASME.

56. Groudev P ., Konstantinov P., Shier W., Slovik G., Validation of a RELAP5 Computer Model For A VVER-1000 Nuclear Power Plant,., NURETH-8, Kyoto, Japan, 1997, Proceedings Volume 2 , pages:1241 -1248.

57. Argirov J., Shier W., Groudev P., Dimitrov D., Fire Vulnerability of the Large Oil Transformers with Respect to NPP Safe Operation and Shutdown Considerations, Proceedings of Probabilistic Safety Assessment and Management, PSAM 4, New York City, USA, 1998.

58. Kitchev E., Boyadjiev Z., Groudev P., Slovik G., Kovachev M., Ivanov An., Simulators for Kozloduy Nuclear Power Plant, International Exchange Forume on Analytical Methods and Computational Tools for NPP Safety Assessments, Obninsk, Russia, 1996, Proceedings of ANL/USA.

59. Petkov G., Groudev P., Argirov J., A procedure for Temperature-Stress Fields Calculation of WWER-1000 Primary Circuit in PTS Event, IAEA Specialists Meeting on Methodology for Pressurized Thermal Shock Evaluation, Esztergon, Hungary, 1997. pp.181 - 190., Proceedings of IAEA.

60. Groudev P., Kitchev E., Slovik G., Opening and Stuck Open of Pressurizer Safety Valve, International Information Exchange Forum on ANALYTICAL METHODS AND COMPUTATIONAL TOOLS FOR NPP SAFETY ASSESSMENT, Obninsk, Kaluga Region, Russia, September, 1997, Volume I, Pages 158 - 168. Proceedings of ANL/USA.

61. Groudev P ., Kitchev E., Station Blackout With Reduction of Pressure In Primary Circuit, International Information Exchange Forum on "Safety analysis for NPPs of VVER and RBMK Type", Obninsk, Kaluga Region, Russia, 26-30 October, 1998, Volume I, pages 271-283. Proceedings of ANL/USA.

62. Groudev P., Hadjiev V., Pavlova М., Steam Generator Collector Rupture, International Information Exchange Forum on "Safety analysis for NPPs of VVER and RBMK Type", Obninsk, Kaluga Region, Russia, 11-15 October, 1999, Vol. 1, pp. 263-278. Proceedings of ANL/USA.

63. Groudev P., Pavlova M., Total Loss of Feed Water for VVER 1000, Proceedings of Fifth International Information Exchange Forum, 16 - 20 October, 2000, Obninsk, Russia, Proceedings of ANL/USA.

64. Pavlova M., Groudev P., Roglans J., Hadjiev V., RELAP5/MOD3.2 ANALYSIS OF NATURAL CIRCULATION TEST AT KOZLODUY NPP UNIT 6”, International Information Exchange Forum on "Safety analysis for NPPs of VVER and RBMK Type", Obninsk, Kaluga Region, Russia, October 2000, Proceedings of ANL/USA.

65. Petkov G., Groudev P. , COGNITIVE ERROR PROBABILITY IN PRESSURIZED THERMAL SHOCK EVENT, IAEA Specialists Meeting on “Risk Informed Aspects of Nuclear Power Plant Life Management - Emphasis on Integrity of Primary Circuit Components”, Budapest, Hungary, October 8-10, 2001. Proceedings of IAEA.

66. Groudev P., Hadjiev V., Analytical Validation of EOPs for Kozloduy NPP VVER 1000, WANO-MC Workshop "Emergency Operating Instructions: Validation, Inculcation of EOI and Personnel Training”, Paks, Hungary, December 8-15 2001, Proceedings of WANO.

67. Groudev P., Gencheva R., “Use of Main Loop Isolating Valves Investigation in case of SGTR” International Information Exchange Forum on "Safety analysis for NPPs of VVER and RBMK Type", Kiev, April 2002, Proceedings of ANL, USA.

68. Pavlova M., Groudev P., Hadjiev V., “RELAP5/MOD3.2 Analysis of Trip of One MCP at Kozloduy NPP Unit 6” International Information Exchange Forum on "Safety analysis for NPPs of VVER and RBMK Type", Kiev, April 2002, Proceedings of ANL, USA.

69. Грудев П. , Йорданов Й., Антонов Н., Субканальный анализ активной зоны реактора АСТ с вводом реактивности, Материалы Международный Центр Академий Наук Социалистических Стран, "Проблемы гидродинамики и тепломассообмена в атомной энергетике", Май 1989, Минск, СССР, стр. 175 - 181.

70. B. Ivanov, K. Ivanov, P. Groudev, M. Pavlova, V. Hadjiev, Development of VVER – 1000 Coupled Code Benchmark, American Nuclear Society  Annual Meeting, Junе 9 – 13, 2002, Hollywood, FL, USA, Proceedings of ANS.

71. Jordanov J., Grudev P., User's Guide For Primedana, RSIC Computer Code Collection, CCC-490 Oak Ridge National Laboratory, USA.

72. C. Journeau, P. Piluso, L. Godin-Jacqmin, I. Ivanov, I. Mladenov, P. Grudev, S. Kalchev, H. Alsmeyer, B. Eppinger, Transnational Access to the PLINIUS Prototypic Corium Experimental Platform, Proceedings of FISA2003 – EU research in Reactor Safety, Luxemburg, 10-13 November 2003, pp367-372.

73. B. Ivanov, K. Ivanov, S. Aniel, E. Royer, N. Kolev, P. Groudev ,  OECD/DOE/CEA VVER-1000 Coolant Transient (V1000CT) Benchmark for Assessing Coupled Neutronics/Thermal-Hydraulics System Codes for VVER-1000 RIA Analysis, Proceedings of PHYSOR 2004 - The Physics of Fuel Cycles and Advanced Nuclear System-Global Developments pp. 1989-1997, Chicago, Illinois,  April 25-29, 2004.

74. Oleg I. Melikhov, Andrey V. Kapustin, Igor A. Lipatov, George I. Dremin, Svetlana A. Galchanskaya, Alex A. Rovnov,  Sergey M. Nikonov, Ilya V. Elkin, Patrick L. Garner, Pavlin P. Groudev, Malinka P. Pavlova, Vassil G. Hadjiev, Simulation of the Kozloduy NPP Loss-of-Feed-Water Transient in PSB-VVER facility, Proceeding of International Conference Of Nuclear Engineering (ICONE) 12, April 25-29, 2004, Arlington, Virginia, USA.

75. A.E. Stefanova, R.V. Gencheva, M.P. Pavlova, P.P. Groudev, A.V. Kapustin, PSB-VVER Simulation of Kozloduy NPP “Loss Of Feed Water Transient”, Proceeding of Seventh International Information Exchange Forum on "Safety  Analysis  for  Nuclear Power Plants of VVER and  RBM Types", 28-30 October 2003; Piestany, Slovakia.

76. E. Tsvetanova, P. Groudev, M. Manolov, Development and Approval of Symptom Oriented EOPs for Kozloduy NPP, Proceeding of Seventh International Information Exchange Forum on "Safety  Analysis for Nuclear Power Plants of VVER and RBM Types", 28-30 October 2003; Piestany, Slovakia.

77. P. Groudev , M Pavlova, V. Hadjiev,  RELAP5/MOD3.2 Investigation of a VVER-1000 Loss of Feed Water Transient at KNPP, Unit 6, Proceeding of Seventh International Information Exchange Forum on "Safety Analysis for Nuclear Power Plants of VVER and RBM Types", 28-30 October 2003; Piestany, Slovakia.

78. Pavlin P. Groudev , Antoaneta E. Stefanova, THERMAL-HYDRAULIC INVESTIGATION OF TRIP ON ONE MCP AT KOZLODUY NPP UNIT 6, Proceeding of Eighth International Information Exchange Forum on "Safety  Analysis for Nuclear Power Plants of VVER and RBMK Types", 28-30 September 2004; Piestany, Slovakia.

79. Boyan D. Ivanov, Kostadin N. Ivanov, Eric Royer, Sylvie Aniel, Ulrich Bieder, Nikola Kolev, Pavlin Groudev , Overview and Status of the OECD/DOE/CEA VVER-1000 Coolant Transient (V1000CT) Benchmark, AER Symposium, Finland, 2004.

80. Ivanov B., Ivanov K., Groudev P., Pavlova M., and Hadjiev V. 2002. VVER-1000 Coolant Transient Benchmark (V1000-CT). Phase 1 – Final Specification. NEA/NSC/DOC (2002)6, (ISBN 92-64-18496-1).

81. Ivanov B., Ivanov K., Royer E., Aniel U., Kolev N., and Groudev P. 2004 A. OECD/DOE/CEA VVER-1000 coolant transient (V1000CT) benchmark for assessing coupled neutronics/thermal-hydraulics system codes for VVER-1000 RIA analysis. Transactions of 2004 PHYSOR conference.

82. Sepold L., Steinbrueck M., Stegmaier U., Stuckert J., Hering W., Homann Ch., Horn S., Groudev P ., QUENCH –11 (Boil-off Test), Quick Look Report, Proceeding of FZK, Internet Bericht, 32.22.11, Nuklear 3403 SAM-LACOMERA-D10, April 2006.

83. Hering W., Groudev P ., Heck M.,Homann Ch., Schanz G., Sepold L., Stefanova A., Stegmaier U., Steinbruck M., Steiner H., Stuckert J., Results of Boil-off Experiment QUENCH –11, Proceeding of FZK, Wissenschaftliche Berichte, FZK 7247, SAM-LACOMERA-D18, June 2007.

84. A. Stefanova, T. Drath, J. Duspiva, W. Erdmann, F, Fichot, G. Guillard, P. Groudev, W. Hering, T. Hollands, Ch. Homann, M.K. Koch, L. Sepold, M. Steinbrück, J. Stuckert, K. Trambauer, A. Vasiliev, SARNET Benchmark on QUENCH-11, Proceeding of FZK, Wissenschaftliche Berichte, FZKA 7368, SARNET CORIUM P008, March, 2008.

85. W. Hering. Ch. Homann, J. Birchley, B. Jackel, Groudev P ., Stefanova A., Analytical Pre-Test Support of Boil-Down Test QUENCH –11, Proceeding of FZK, Wissenschaftliche Berichte, FZKA 7305, SARNET-CORIUM –P007, March 2008.

86. C. Journeau , E. Altstadt , K. Atkhen , G. Bandini , M. Barrachin , J. Birchley , J.M. Bonnet, P. Grudev etc., European Research on the Corium issues within the SARNET Network of Excellence, 2008 International Congress on Advances in Nuclear Power Plants (ICAPP '08),  Embedded International Topical Meeting at the 2008 ANS Annual Meeting, June 8-12, 2008, Anaheim, California, USA, Disneyland Hotel

87. Christophe Journeaua, Michel Crangab, Jerzy Foitc, Weimin Mad, Pavlin Grudev, A European Joint Work Plan on Molten Core Concrete Interaction, Proceedings of ICAPP ’09, Tokyo, Japan, May 10-14, 2009, Paper 9083.

88. Chatterjee B., Mukhopadhyay D., Lele H.G., Atanasova B., Groudev P., Verification of severe accident management strategies for VVER 1000 (V320) reactor, 2nd nternational Conference on Reliability, Safety and Hazard, ICRESH-2010: Risk-Based Technology and Physics-of-Failure Methods; Mumbai; 14 -16 December 2010; Pages 280-287;  Article number 5779561.

89. Pavlin Groudev , Antoaneta Stefanova, Jordanka Georgieva, ASTEC & MELCOR Calculations for QUENCH-11 Facility, 2006. Proceeding of the 12th International QUENCH Workshop Forschungszentrum Karlsruhe (FZK), October 24-26, 2006

90. A. Stefanova, P. Groudev, L. Sepold, M. Steinbrück, J. Stuckert, W. Hering, Ch. Homann, G. T. Drath, G. Negut, A. Vasiliev, Siniša Šadek  Guillard, J. Duspiva, W. Erdmann, T. Hollands, Benchmark exercise on QUENCH-11 experiment , Proceeding of European Review Meeting on Severe Accident Research (ERMSAR), June 12-14, 2007, Karlsruhe (Germany)

91. A. Stefanova, P. Groudev, L. Sepold, M. Steinbrück, J. Stuckert, W. Hering, Ch. Homann, G. Guillard, J. Duspiva, W. Erdmann, T. Hollands, T. Drath, G. Negut, A. Vasiliev, S. Šadek, Results of the SARNET Benchmark on QUENCH-11, Proceeding of the13th International QUENCH Workshop Forschungszentrum Karlsruhe, 20-22 November, 2007.

92. Groudev P ., Kitchev E., Demerdjiev P., Slovik G., Steam Generator Small Header Rupture, 4th Regional Meeting "Nuclear Energy in Central Europe", Bled, Slovenia, September, 1997.

93. Антонов Н., Йорданов Й., Грудев П. , Точность определения спектральной плотности, полученной преобразованием Furxe корреляционной функции, Материал XVIII- -ого Симпозиума специалистов ВМК по физике ВВЭР, ЧССР, 11-16.09. 1989 г.

94. Groudev P., Hadjiev V., Kalchev St., Analytical Validation of EOPs for Kozloduy NPP, TM to Develop a GUIDANCE DOCUMENT on the DEVELOPMENT and REVIEW of EOPs, 27-31 May 2002, IAEA, Vienna, Austria.

95. J. Georgieva, A. Stefanova, B. Atanasova, P. Grоudev , P. Tusheva,I. Mladenov, D. Dimov, R. Passalacqua, Comparison Of ASTEC & MELCOR calculations In Case Of SBLOCA For VVER 1000 Reactor, Proceedings of International Conference "Nuclear Energy for New Europe - 2005", Bled, Slovenia, September, Sept. 2005.

96. Groudev P. ,Petkov G., PTS Event in VVER Reactors and Simplified Procedure for Temperature – Stress Calculation, NET PECO workshop, 1 - 3 December 2004, CD with the full proceedings.

97. P. Piluso, E. Boccaccio, JM Bonnet, C. Journeau, P. Fouquart, D. Maggalon, , I. Ivanov, I. Mladenov, P. Groudev , S. Kalchev, M. Leskovar, H. Alsmeyer, Severe Accident Experiments on PLINIUS Platform: Results of First Experiments on COLIMA Facility Related to VVER-440, Proceedings of International Conference "Nuclear Energy for New Europe - 2005", Bled, Slovenia, September, Sept. 2005.

98. D. Dimov, P. Grоudev , R. Passalacqua, Medium Break-LOCA (150mm) Calculations for a VVER-1000/V320 and Comparison of ICARE2 V3 Mod1.4 and MELCOR 1.8.5 Codes Results, Proceeding of the 2nd ICARE/CATHARE user’s club seminar, Aix-en-Provence, France, 17-18 November 2005

99. A. Stefanova, and P. Groudev, MELCOR Pre-Test calculation of Boil-off test at Quench facility, 2005. Proceeding of the 11th International QUENCH Workshop Forschungszentrum Karlsruhe (FZK), October 25-27, 2005.

 

 

Доклади на международни конференции в България и чужбина:

100. Съботинов Л., Йорданов Й., Грудев П ., Расчетный анализ активной зоны реактора ВВЭР-1000 при некоторых проектных авариях, Материал сов. СЭВ по ЕК НТД, фев. 1988, Козлодуй.

101. Rositsa V. Gencheva, Malinka P. Pavlova, Pavlin P. Groudev , RELAP5/MOD3.2 Investigation of Loss of In-house Supply Power for VVER 1000/320V, International Conference “International Energy Forum 2001”, Varna, June 10-12, 2001, Proceedings Vol. 1, pp. 104 – 107.

102. Groudev P., Hadjiev V., Pavlova, P., Analyzing SBLOCA in Support of EOP Development,  Annual conference of BNS, Sofia,  18-19 November 1998.

103. Malinka Pavlova, Rositsa Gencheva, Pavlin Groudev, Investigation Of Steam Generator Tube Rupture Accident For VVER 1000, Annual Report 2000 of INRNE, Proceedings of INRNE, Bulgaria, 2001, pp. 138-141

104. Съботинов Л., Йорданов Й., Грудев П., Термогидравлические параметры активной зоны реактора ВВЭР-1000 с вводом реактивности, IV Международный симпозиум по атомной энергетике, август 1988, Пакш, УНР, Том I, стр. 121 - 129

105. Грудев П. , Йорданов Й., Антонов Н., Определение коэффициента захвата пара в опускном участке АСТ. , Первая научно- техническая конференция "Метрологическое обеспечение атомной энергетики - Энергетика'89", Май 1989.

106. Грудев П ., Йорданов Й., Палазов В., Оценка на термохидравличните условия на експлоатация на реактор АСТ-300 в номинален режим, III Международна научно-техническа конференция "Проблеми на централизираното и индивидуалното топлоснабдяване в НРБ", 1-3. 10. 1989 г., Варна

107. Jordanov J., Grudev P., Computer Code System for Obtaining Fast Breeder Reactor Parameters, Доклад на Младежка научна конференция, София, 1990 г.

108. Jordanov J., Grudev P., Experience with Using STCP (Source Term Code Package) for Severe Accidents, Доклад на Младежка научна конференция, София, 1990 г.

109. Йорданов Й., Грудев П., Определение нейтронно-физических характеристик большого реактора на быстрых нейтронов, Доклад на Младежка научна конференция, София, 1990 г.

110. Грудев П., Томов Е., Симеонова Еф., Анализ на хипотетична авария на атомна станция за топлоснабдяване при вьвеждане на положителна реактивност, Втора национална научно- техническа конференция с Международно участие на тема: Проблеми на енергопреобразуващите технологии и опазването на природната среда", 28-30 Октомври, 1991 год., гр. Варна

111. Грудев П. , Томов Е., Оценка на естествената циркулация в парогенераторите на ВВЕР-1000., Втора национална научно- техническа конференция с Международно участие на тема: Проблеми на енергопреобразуващите технологии и опазването на природната среда", 28-30 Октомври, 1991 год., гр. Варна

112. Грудев П ., Томов Е., Вариантен термохидравличен анализ на касета за реактор АСТ-500, Пьрва национална научно - техническа конференция с Mеждународно участие на тема : Метрология и екология", 24-25 Октомврри, 1991 год.

113. Грудев П ., Томов Е., Регулиране нивото на водата в парогенератора за блокове на ВВЕР-1000, Втора национална научно - техническа конференция с Международно участие на тема: Проблеми на енергопреобразуващите технологии и опазването на природната среда", 28-30 Октомври, 1991 год., гр. Варна

114. Грудев П. , Томов Е., Термохидравличен анализ на авария на атомна станция за топлоснабдяване при разхерметизация на корпуса на реактора /без да сработи защитата/, Втора национална научно- техническа конференция с Международно участие на тема: Проблеми на енергопреобразуващите технологии и опазването на природната среда", 28-30 Октомври, 1991 год., гр. Варна

115. Грудев П. , Райкова Ив., Нечев Ог., Моделиране на процесите в ПГВ - 1000 с RELAP5/MOD2, Сборник доклади на Научно - техническия семинар "Математически модели в ядрената безопасност и радиационната защита, София, 7-8 Април, 1993г., стр. 232- 237.

116. Райкова Ив., Грудев П., Антонов Н., Детайлен термохидравличен анализ на максимално натоварена касета за ВВЕР 440 при авария с пълно обезточване, Сборник доклади на Научно техническия семинар "Математически модели в ядрената безопасност и радиационната защита, София, 7-8 Април, 1993г., стр. 237- 243.

117. Антонов Н., Овчарова Ив., Грудев П., Корелационни функции и спектрални плътности в реакторната шумова диагностика, Сборник доклади на Научно - техническия семинар "Математически модели в ядрената безопасност и радиационната защита, София, 7-8 Април, 1993г., стр. 227-232.

118. Грудев П ., Антонов Н, Овчарова Ив., Анализ  на кризис на топлообмен за реактор ВВЕР 440, II Научно-практична конференция на тема "Метрологическо осигуряване на атомната енергетика", Варна, 30 Май, - 1 Юни, 1993 г.

119. Антонов Н., Грудев П., Овчарова Ив., Корреляции при исползовании двух детекторов и измерение спектральной плотности, II Научно - практична конференция на тема: "Метрологическо осигуряване на атомната енергетика", Варна, 30 май- - 1 юни, 1993 г.

120.Антонов Н., Грудев П., Овчарова Ив., Передаточные функции и функции когерентности в реакторной диагностике, Сборник доклади на V - ти Национален симпозиум с международно участие "Метрология-94", Созопол, 19-23 Септември, 1994, стр. 312-316.

121. Ch. Angelov, P. Groudev, V. Mikli, “Use of Atomic – Force Microscopy for Characterisation of Silicon, Implanted with Heavy Ions at High Doses”,  Proceedings of ISCMP, Varna 2000.

122. R. Gencheva, A. Stefanova and P. Groudev , “Investigation of Steam Line Break Accident During the Development of Emergency Operating Procedures for VVER440/V230”, International Conference “International Energy Forum 2002”, Varna, Bulgaria, Vol.1, pp.307 – 311, June 14-17, 2002.

123. А. Stefanova, R. Gencheva, P. Groudev , “Investigation of Critical Safety Function “Integrity” in Case of Steam Line Break Accident for VVER 1000/V320”, International Conference “12th Symposium of AER”, Sunny Beach, pp.99-105, 22-28 September, 2002.

124. А. Stefanova, R. Gencheva and P. Groudev , “Use of Main Loop Isolating Valves (GZZs) in VVER 440”, International Conference “12th Symposium of AER”, Sunny Beach, pp.107-118, 22-28 September, 2002.

125. R. V. Gencheva, A. E. Stefanova and P. P. Groudev , “RELAP5 Analysis of Loss of Feed Water Transient at PSB-VVER Facility”, International Conference “Energy Forum 2003”, Varna, Bulgaria, June 12-15, 2003, Vol. 1, pp.269 – 273.

126. A. E. Stefanova, R. V. Gencheva, and P. P. Groudev , “Investigation of Small Break LOCA at VVER 440/V230”, International Conference “Energy Forum 2003”, Varna, Bulgaria, June 12-15, 2003, Vol.1, pp.274 –278.

127. A.E. Stefanova, R.V. Gencheva, M.P. Pavlova, P.P. Groudev, Sensitivity calculation of Kozloduy NPP “MCP Switching on Problem”, International Conference “International Energy Forum 2004”, Varna, June 11-13, 2004, vol. 1, pp 126-129

128. Rositsa V. Gencheva, Antoaneta E. Stefanova, Pavlin P. Groudev, Malinka P.Pavlova, Investigation of Post LOCA Cooldown Procedure for Kozloduy NPP, Proceedings of International Conference “International Energy Forum 2004”, Varna, June 11-13, 2004, vol.1, pp 121-125.

129. A. E. Stefanova and P. P. Groudev , Sensitivity calculation of Kozloduy NPP “Loss of Feed Water Transient” at PSB-VVER, International Conference “International Energy Forum 2005”, Varna, June, 2005, vol. 1, pp.124-127,.

130. J. Georgieva, A. E. Stefanova, P. P. Groudev, P Tusheva, I. Mladenov, D. Dimov, ASTEC and MELCOR comparison for VVER 1000/60 mm Small Break LOCA, International Conference “International Energy Forum 2005”, Varna, June, 2005, vol. 1, pp. 120-123.

131. J. Georgieva, A. Stefanova, B. Atanasova, P. Grоudev , Comparison of ASTEC&MELCOR Small Break LOCA ID 30 mm for VVER1000, INRNE Annual Report 2004.

132. A. E. Stefanova and P. P. Groudev, MELCOR Preliminary Calculation of Quench - 11 on Boil-off test, International Conference “International Energy Forum 2006”, Varna, June, 2006, vol. 1, pp. 118-121.

133. Polina Tusheva, Dimitar Dimov, Boris Kalchev, Jordanka Georgieva, Pavlin Groudev, Antoaneta Stefanova, Roberto Passalacqua, VVER 1000 Station Blackout Sequence Calculations by the Computer Code ASTEC, International Conference “International Energy Forum 2006”, Varna, June, 2006, vol. 1, pp.66-69.

134. Jordanka Georgieva, Pavlin Groudev, Antoaneta Stefanova, Polina Tusheva, Boris Kalchev, Roberto Passalacqua, Evolution of ASTEC V1.2 rev1 code for VVER-1000 reactors/ SBO sequence International Conference “International Energy Forum 2006”, Varna, June, 2006, vol. 1, pp.122-125.

135. A. Стефанова, Б. Атанасова , П. Грудев , Анализ на поведението на топлоотделящи касети за реактори ВВЕР 1000 в условия на тежка авария, “International Energy Forum 2008”, Varna, 11-14 June, 2008, vol. 1, pp. 61-65.

136. Б. Атанасова , A. Стефанова, П. Грудев, Оценка на изхвърлянето на продуктите на делене при симулиране на “малка теч” за ВВЕР с помощта на компютърен код ASTEK V1.3.R2, “International Energy Forum 2008”, Varna, 11-14 June, 2008, vol. 1, pp. 441- 445 .

137. Георгиева Е., Павлова М., Андреева М., Грудев П., ИЗСЛЕДВАНЕ НА КФБ “ОХЛАЖДАНЕ НА АКТИВНАТА ЗОНА“ ПРИ ИЗТИЧАНЕ НА ТОПЛОНОСИТЕЛ ОТ ПЪРВИ КОНТУР С Dy 100 mm И С Dy 250 mm ЗА РАЗХЕРМЕТИЗИРАНО СЪСТОЯНИЕ НА ВВЕР-1000., International Conference of BNS, Sofia, November 2008.

138. Б. Атанасова , A. Стефанова, П. Грудев, ИЗСЛЕДВАНЕ ВЛИЯНИЕТО НА ХИДРОАКУМУЛАТОРИТЕ ПРИ АВАРИЯ “ПЪЛНО ОБЕЗТОЧВАНЕ” С КОМПЮТЪРЕН КОД  ASTEC 1.3R2 ЗА ВВЕР 1000, “International Energy Forum 2008”, Varna, 17-20 June, 2009, vol. 1, pp 242 – 245

139. A. Стефанова, Б. Атанасова , П. Грудев , СРАВНИТЕЛЕН АНАЛИЗ НА РЕЗУЛТАТИ ПОЛУЧЕНИ С КОМПЮТЪРЕН КОД МЕЛКОР ЗА АВАРИИ “ПЪЛНО ОБЕЗТОЧВАНЕ” И “ГОЛЯМА ТЕЧ” ЗА ОЦЕНКА НА ГЕНЕРИРАНИЯ ВОДОРОД, , “International Energy Forum 2009”, Varna, 17-20 June, 2009, vol. 1, pp 246 – 249.

140. Groudev P., Update on the Bulgarian Energy Program and on the BgNS, November 2009, No 12, The ANS Glob, e-news from the ANS International Committee, http://www.new.ans.org/const/international/ansglobe/docs/2009-11.pdf

141. Boryna Atanasova, Antoaneta Stefanova и Pavlin Groudev, “ Investigation of Hydro - Accumulators influence in case of severe accident with computer code ASTEC v2.”, International conference “ Energy Forum” 2010, 23-26 June 2010, pp. 131-139.

142. Rositsa Gencheva, Antoaneta Stefanova, Boryna Atanasova и Pavlin Groudev , “Investigation of core cooling for WWER 1000 reactors”, International conference “ Energy Forum” 2010, 23-26 June 2010, pp. 140-145.

143. Antoaneta Stefanova, Rositsa Gencheva, Boryna Atanasova, and Pavlin Groudev , Comparison of ASTECv2 and ASTECv1.3.2 calculations during SBLOCA scenario for VVER 1000, International conference “BulLight 2010”, 10-12 June 2010, Varna

144. Rositsa Gencheva, Antoaneta Stefanova and Pavlin Groudev , Comparison of ASTECv2 MCCI stand-alone calculations with limestone-reach and silica-rich concretes based on VULCANO VBU6 AND VBU5 test facility experiments”, International conference “BulLight 2010”, 10-12 June 2010, Varna.

145. Марина Андреева, Йорданка Стойнева, Малинка Павлова, Павлин Грудев , Изследване на критична функция за безопасност "Топлоотвеждане от първи контур" за спрян реактор, тип ВВЕР-1000, постер от Конференцията на БЯД, 26-29 Септември, 2010.

146. П. Грудев, Съвременни тенденции по осигуряване на безопасността. XXXIX Национална конференция по въпросите на обучението по физика, Поканен доклад, стр. 55-65, София, 7-10 април, 2011, ISBN 978-954-580-295-9, Херон Прес ОДД.

147. Боряна Атанасова и Павлин Грудев , Comparative Analysis of the Results Received by ASTEC2 and RELAP5.3.2. in case of SBLOCA ID 80 for WWER 1000, pp. 93-100, Energy Forum, Varna, 15-19 June, 2011.

148. R. Gencheva, A. Stefanova, P. Groudev , MEDICIS (ASTEC-v2) Sensitivity Calculations for Investigation of the Crust Formation in VB-U5 and VB-U6 Vulcano Tests, pp. 101- 107, Energy Forum, Varna, 15-19 June, 2011.

149. A. Stefanova, R. Gencheva, P. Groudev , Simulation of VVER MCCI reactor test case with ASTEC-v2 / MEDICIS computer code, pp. 108- 113, Energy Forum, Varna, 15-19 June, 2011.  

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